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The world’s population has been growing, spiking in the last few centuries, and now sits around 7.6 billion. A study published this week suggests global population will peak around the year 2064 at roughly 9.73 billion people.Researchers looking at the models believe the world’s population will then begin declining, reaching roughly 8.79 billion in the year 2100. Their reasoning for the decline is that “continued trends in female educational attainment and access to contraception will hasten declines in fertility and slow population growth.”According to the study, funded in part by the Bill and Melinda Gates Foundation and published in The Lancet, the five largest countries, population-wise, in 2100 are projected to be India, Nigeria, China, the U.S. and Pakistan. They are projecting America will have a population of roughly 336 million people in 2100. Currently, there are an estimated 331 million people living in the U.S.The average life expectancy in 2100 will be around 80 years old. The current global life expectancy is estimated at 72 years old. 1073

The way doctors treat asthma in both children and adults just got a major update.Speaking to the Journal of the American Medical Association, respiratory experts said the changes in guidelines focus on six key areas, including improving asthma diagnosis, management, and treatment.It’s the first published update in 13 years.“So, one of the goals of our update was to address the issue of who can use intermittent inhaled corticosteroids and when used, are they as effective as daily use,” said Michelle M. Cloutier, MD with UConn Health.One of the biggest changes is that many patients may not need to use an inhaler every day anymore.“Especially those families of young children who don’t necessarily buy into using daily medication when their children are having intermittent symptoms,” said Stephanie Lovinsky-Desir, MD, MS with Columbia University Irving Medical Center.The new recommendations for inhaler use vary by age and severity of asthma, so it’s important to talk to your doctor about the new guidelines.Asthma affects nearly 5% of adults and 10% of children.During the pandemic, because of the higher death rate of asthma patients from COVID-19, more people have been seeking treatment for the condition.The average annual cost of asthma per person is more than ,200. But research has also shown among other things, regular use of medication and flu vaccines can reduce the chances of someone with asthma being hospitalized, driving up those costs. 1472

The U.S. decline in cigarette smoking could be stalling while the adult vaping rate appears to be rising, according to a government report released Thursday.About 14% of U.S adults were cigarette smokers last year, the third year in a row the annual survey found that rate. But health officials said a change in the methodology make it hard to compare that to the same 14% reported for 2017 and 2018.The adult smoking rate last saw a substantial drop in 2017, when it fell from 16% the year before.The new figures from the Centers for Disease Control and Prevention mean there are more than 34 million adult smokers in the U.S.Meanwhile, about 4.5% of adults were counted as current e-cigarette users last year — about 11 million people.That rate appears to be up from 3.2% in 2018 and 2.8% in 2017. But again, officials said that comparing 2019 with earlier years is difficult because of the survey change.The CDC figures are based on responses from about 32,000 people.Health officials have long called tobacco use the nation’s leading cause of preventable disease and death.___The Associated Press Health & Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content. 1279

The White House on Wednesday downplayed comments by national security adviser John Bolton, who recently invoked Libya's decision to denuclearize during the Bush administration as a model for US policy on North Korea, potentially placing a planned US-North Korea summit in jeopardy.Hours earlier, a North Korean official said Bolton's remarks were indicative of an "awfully sinister move" to imperil the Kim regime. North Korea stunned Washington on Tuesday by threatening to abandon talks between President Donald Trump and Kim Jong Un if Washington insists on pushing it "into a corner" on nuclear disarmament.Referring to the Libya comparison, White House press secretary Sarah Sanders said Wednesday that she hadn't "seen that as part of any discussions so I'm not aware that that's a model that we're using."I haven't seen that that's a specific thing. I know that that comment was made. There's not a cookie cutter model on how this would work."She continued, "This is the President Trump model. He's going to run this the way he sees fit. We're 100% confident, as we've said many times before, as I'm sure you're all aware, he's the best negotiator and we're very confident on that front."In April, Bolton suggested that the White House was looking at Libya as an example of how it will handle negotiations with North Korea to denuclearize."We have very much in mind the Libya model from 2003, 2004," Bolton said on Fox News. "There are obviously differences. The Libyan program was much smaller. But that was basically the agreement that we made."The US agreed to ease sanctions on Libya in 2003 in exchange for a promise by Moammar Gadhafi to abandon his country's nuclear program. Eight years later, however, Gadhafi was overthrown and killed by rebels backed by Washington.In a statement published late Tuesday by the state-run Korea Central News Agency, Kim Kye Gwan, North Korea's first vice minister of the Ministry of Foreign Affairs, called Bolton's comments indicative of "an awfully sinister move to impose on our dignified state the destiny of Libya or Iraq which had been collapsed due to yielding the whole of their countries to big powers.""It is absolutely absurd to dare compare (North Korea), a nuclear weapon state, to Libya which had been at the initial stage of nuclear development," Kim said. "(The) world knows too well that our country is neither Libya nor Iraq which have met miserable fate."Singling out the national security adviser for personal criticism, Kim said that North Korea had "shed light on the quality of (John) Bolton already in the past, and we do not hide our feeling of repugnance towards him."  2657

The two gamers shot dead at a tournament in Jacksonville, Florida, on Sunday have yet to be officially identified but their names are being shared by those who knew them.The Jacksonville Sheriff's Office has confirmed that two people were killed in the shooting at the GLHF Game Bar at the Jacksonville Landing Complex, an open-air marketplace with stores, bars and restaurants along the St. Johns River. Nine other people suffered gunshot wounds and two people were injured fleeing the area. The gunman then turned his weapon on himself.While the sheriff's office has not identified the two who were killed, their names have been widely reported on social media by people who were at the bar, members of the gaming community and others.One of the victims, Taylor "spotmeplzzz" Robertson was identified by his gaming sponsor, Dot City Gaming. 850